1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.tasks.core.web;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.Proxy.Type;
import org.apache.commons.httpclient.Credentials;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.params.HttpClientParams;
import org.apache.commons.httpclient.protocol.Protocol;
import org.eclipse.mylar.internal.tasks.core.AuthenticatedProxy;
import org.eclipse.mylar.internal.tasks.core.SslProtocolSocketFactory;
import org.eclipse.update.internal.core.UpdateCore;
/**
* @author Mik Kersten
* @author Steffen Pingel
*/
public class WebClientUtil {
private static final int HTTP_PORT = 80;
private static final int HTTPS_PORT = 443;
// private static final int COM_TIME_OUT = 30000;
//public static final String ENCODING_GZIP = "gzip";
public static void initCommonsLoggingSettings() {
// TODO: move?
System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire.header", "off");
System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient", "off");
}
/**
* public for testing
*/
public static boolean repositoryUsesHttps(String repositoryUrl) {
return repositoryUrl.matches("https.*");
}
public static int getPort(String repositoryUrl) {
int colonSlashSlash = repositoryUrl.indexOf("://");
int colonPort = repositoryUrl.indexOf(':', colonSlashSlash + 1);
if (colonPort < 0)
return repositoryUsesHttps(repositoryUrl) ? HTTPS_PORT : HTTP_PORT;
int requestPath = repositoryUrl.indexOf('/', colonPort + 1);
int end;
if (requestPath < 0)
end = repositoryUrl.length();
else
end = requestPath;
return Integer.parseInt(repositoryUrl.substring(colonPort + 1, end));
}
public static String getDomain(String repositoryUrl) {
String result = repositoryUrl;
int colonSlashSlash = repositoryUrl.indexOf("://");
if (colonSlashSlash >= 0) {
result = repositoryUrl.substring(colonSlashSlash + 3);
}
int colonPort = result.indexOf(':');
int requestPath = result.indexOf('/');
int substringEnd;
// minimum positive, or string length
if (colonPort > 0 && requestPath > 0)
substringEnd = Math.min(colonPort, requestPath);
else if (colonPort > 0)
substringEnd = colonPort;
else if (requestPath > 0)
substringEnd = requestPath;
else
substringEnd = result.length();
return result.substring(0, substringEnd);
}
public static String getRequestPath(String repositoryUrl) {
int colonSlashSlash = repositoryUrl.indexOf("://");
int requestPath = repositoryUrl.indexOf('/', colonSlashSlash + 3);
if (requestPath < 0) {
return "";
} else {
return repositoryUrl.substring(requestPath);
}
}
public static void setupHttpClient(HttpClient client, Proxy proxySettings, String repositoryUrl, String user,
String password) {
client.getParams().setBooleanParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
// Note: The following debug code requires http commons-logging and
// commons-logging-api jars
//System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
//System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "true");
//System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire", "debug");
//System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire.header", "debug");
//System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient", "debug");
if (proxySettings != null && !Proxy.NO_PROXY.equals(proxySettings) && !WebClientUtil.repositoryUsesHttps(repositoryUrl) && proxySettings.address() instanceof InetSocketAddress) {
InetSocketAddress address = (InetSocketAddress) proxySettings.address();
client.getHostConfiguration().setProxy(WebClientUtil.getDomain(address.getHostName()), address.getPort());
if (proxySettings instanceof AuthenticatedProxy) {
AuthenticatedProxy authProxy = (AuthenticatedProxy) proxySettings;
Credentials credentials = new UsernamePasswordCredentials(authProxy.getUserName(), authProxy
.getPassword());
AuthScope proxyAuthScope = new AuthScope(address.getHostName(), address.getPort(), AuthScope.ANY_REALM);
client.getState().setProxyCredentials(proxyAuthScope, credentials);
}
}
if (user != null && password != null) {
AuthScope authScope = new AuthScope(WebClientUtil.getDomain(repositoryUrl), WebClientUtil
.getPort(repositoryUrl), AuthScope.ANY_REALM);
client.getState().setCredentials(authScope, new UsernamePasswordCredentials(user, password));
}
if (WebClientUtil.repositoryUsesHttps(repositoryUrl)) {
Protocol acceptAllSsl = new Protocol("https", new SslProtocolSocketFactory(proxySettings), WebClientUtil
.getPort(repositoryUrl));
client.getHostConfiguration().setHost(WebClientUtil.getDomain(repositoryUrl),
WebClientUtil.getPort(repositoryUrl), acceptAllSsl);
} else {
client.getHostConfiguration().setHost(WebClientUtil.getDomain(repositoryUrl),
WebClientUtil.getPort(repositoryUrl));
}
}
/** utility method, should use TaskRepository.getProxy() */
public static Proxy getSystemProxy() {
Proxy proxy = Proxy.NO_PROXY;
if (UpdateCore.getPlugin() != null
&& UpdateCore.getPlugin().getPluginPreferences().getBoolean(UpdateCore.HTTP_PROXY_ENABLE)) {
String proxyHost = UpdateCore.getPlugin().getPluginPreferences().getString(UpdateCore.HTTP_PROXY_HOST);
int proxyPort = UpdateCore.getPlugin().getPluginPreferences().getInt(UpdateCore.HTTP_PROXY_PORT);
InetSocketAddress sockAddr = new InetSocketAddress(proxyHost, proxyPort);
proxy = new Proxy(Type.HTTP, sockAddr);
}
return proxy;
}
/** utility method, should use TaskRepository.getProxy() */
public static Proxy getProxy(String proxyHost, String proxyPort, String proxyUsername, String proxyPassword) {
boolean authenticated = (proxyUsername != null && proxyPassword != null && proxyUsername.length() > 0 && proxyPassword
.length() > 0);
if (proxyHost != null && proxyHost.length() > 0 && proxyPort != null && proxyPort.length() > 0) {
int proxyPortNum = Integer.parseInt(proxyPort);
InetSocketAddress sockAddr = new InetSocketAddress(proxyHost, proxyPortNum);
if (authenticated) {
return new AuthenticatedProxy(Type.HTTP, sockAddr, proxyUsername, proxyPassword);
} else {
return new Proxy(Type.HTTP, sockAddr);
}
}
return Proxy.NO_PROXY;
}
}
// /**
// * Returns an opened HttpURLConnection. If the proxy fails a direct
// * connection is attempted.
// */
// public static HttpURLConnection openUrlConnection(URL url, Proxy proxy,
// boolean useTls, String htAuthUser,
// String htAuthPass) throws IOException, KeyManagementException,
// GeneralSecurityException {
//
// if (proxy == null) {
// proxy = Proxy.NO_PROXY;
// }
//
// HttpURLConnection remoteConnection = getUrlConnection(url, proxy, useTls,
// htAuthUser, htAuthPass);
// try {
// remoteConnection = openConnection(url, proxy);
// } catch (ConnectException e) {
// remoteConnection = openConnection(url, Proxy.NO_PROXY);
// }
//
// return remoteConnection;
// }
// /**
// * Returns connection that has yet to be opened (can still set connection
// * parameters). Catch ConnectException and retry with Proxy.NO_PROXY if
// * necessary.
// */
// public static HttpURLConnection getUrlConnection(URL url, Proxy proxy,
// boolean useTls, String htAuthUser,
// String htAuthPass) throws IOException, KeyManagementException,
// GeneralSecurityException {
// SSLContext ctx;
// if (useTls) {
// ctx = SSLContext.getInstance("TLS");
// } else {
// ctx = SSLContext.getInstance("SSL");
// }
//
// javax.net.ssl.TrustManager[] tm = new javax.net.ssl.TrustManager[] { new
// RepositoryTrustManager() };
// ctx.init(null, tm, null);
// HttpsURLConnection.setDefaultSSLSocketFactory(ctx.getSocketFactory());
//
// if (proxy == null) {
// proxy = Proxy.NO_PROXY;
// }
//
// URLConnection connection = url.openConnection(proxy);
//
// // Add http basic authentication credentials if supplied
// // Ref: http://www.javaworld.com/javaworld/javatips/jw-javatip47.html
// if (htAuthUser != null && htAuthPass != null && !htAuthUser.equals("")) {
// String authenticationString = htAuthUser + ":" + htAuthPass;
// String encodedAuthenticationString = null;
// try {
// sun.misc.BASE64Encoder encoder = (sun.misc.BASE64Encoder)
// Class.forName("sun.misc.BASE64Encoder")
// .newInstance();
// encodedAuthenticationString =
// encoder.encode(authenticationString.getBytes());
// connection.setRequestProperty("Authorization", "Basic " +
// encodedAuthenticationString);
// } catch (Exception ex) {
// // ignore, encoder not available
// }
// }
//
// if (connection == null || !(connection instanceof HttpURLConnection)) {
// throw new MalformedURLException();
// }
// return (HttpURLConnection) connection;
// }
// private static HttpURLConnection openConnection(URL url, Proxy proxy)
// throws IOException {
// URLConnection connection = url.openConnection(proxy);
// if (connection == null || !(connection instanceof HttpURLConnection)) {
// throw new MalformedURLException();
// }
// HttpURLConnection remoteConnection = (HttpURLConnection) connection;
// remoteConnection.addRequestProperty("Accept-Encoding", ENCODING_GZIP);
// remoteConnection.setConnectTimeout(COM_TIME_OUT);
// remoteConnection.setReadTimeout(COM_TIME_OUT);
// remoteConnection.connect();
// return remoteConnection;
// }
|
